footer{
    background-color: white;
} .footer-top{
    display: flex;
    justify-content: space-around;
    margin-bottom: 55px;
    margin-top: 100px;
    li{
        line-height: 25px;
    }
   .ul-left li:nth-child(1){
       text-align: center;
       font-size: 22px;
   }
   .ul-left li:nth-child(3){
    text-align: center;
    margin-bottom: 5px;
}
.ul-left li:nth-child(4){
    text-align: center;   
}
.ul-left li:nth-child(5){
    text-align: center;
}
.ul-right li:nth-child(1){
    font-size: 22px;
}
.ul-right li:nth-child(2){
    margin-bottom: 30px;
}
.ul-right li{
    text-align: center;
}
}
footer .footer-bottom{
    margin-top: 57px;
} ul li{
    text-align: center;
    margin-top: 10px;
    button{
        width: 200px;
        background-color: black;
        color: #ccc;
    }
}
footer .footer-bottom ul li:nth-child(1){
    font-size: 22px;
}
footer .xian{
    border-bottom: 1px solid #ccc;
    width: 100%;
    height: 1px;
}